inputStr = input("输入身高和体重：").split(" ")
height = eval(inputStr[0])
weight = eval(inputStr[1])
bmi = weight / (height * height)
print("BMI数值为：{:.2f}".format(bmi))
resInter = resChina = ""
if bmi >= 30:
    resInter = "肥胖"
elif bmi >= 25:
    resInter = "偏胖"
elif bmi >= 18.5:
    resInter = resChina = "正常"
else:
    resInter = resChina = "偏瘦"
if bmi >= 28:
    resChina = "肥胖"
elif bmi >= 24:
    resChina = "偏胖"
print("BMI指标为：国际'{0}'，国内'{1}'".format(resInter, resChina))
